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Worksheets

Ionic Formulas

Total questions: 40

Worksheet time: 33mins

Name
Class
Date
1.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
2.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
3.

Na+ and Cl- create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

4.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
5.
Ca +2  and  OH -
a)
Ca2OH
b)
CaOH2
c)
Ca(OH)2
d)
correct answer is not given
6.
Be careful with this question.....
SO4 -2  and  Al +3
a)
(SO4)3Al2
b)
(SO4)2Al3
c)
Al3SO4
d)
Al2(SO4)3
7.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
8.
K +  and  N-3
a)
KN
b)
KN3
c)
K3N3
d)
K3N
9.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
10.
What would be the proper chemical formula for combining Al3+ and l- :
a)
Al l3
b)
Al3l
c)
Al l
d)
Al3 l3
11.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
12.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
13.
Ca +2  and  OH -
a)
Ca2OH
b)
CaOH2
c)
Ca(OH)2
d)
correct answer is not given
14.
What is the FORMULA for...
calcium arsenide
a)
Ca3As2
b)
CaAs2
c)
Ca3As
d)
Ca3Ar2
15.
The chemical formula of sodium sulfate is
a)
S₂SO₄
b)
NaSO₂
c)
NaSO₄
d)
Na₂SO₄
16.
Which of the following combination is incorrect?
a)
phosphate  PO43-                 

b)
sulfite  SO32-                 
c)
nitrite    NO3-   
d)
iron(II)    Fe2+                   
17.
Fe+3 combines with S-2 to form 
a)
Fe+4(S)=3
b)
Fe2S4
c)
Fe2S3
d)
Fe3S2
18.
H+ and S2- create...
a)
H2S
b)
HS2
c)
H2S2
d)
HS
19.
Li+ and P3- create...
a)
Li3P
b)
LiP3
c)
LiP
d)
Li2P
20.

Pb4+ and O2- create...

a)

Pb2O

b)

PbO2

c)

Pb2O2

d)

PbO

21.

K+ and S2- create...

a)

K2S

b)

KS2

c)

K2S2

d)

KS

22.

Mg2+ and O2- create...

a)

Mg2O3

b)

MgO2

c)

MgO

d)

Mg2O

23.

Rb+ and P3- create...

a)

Rb3P

b)

RbP3

c)

RbP

d)

Rb2P

24.

Ca2+ and F- create...

a)

Ca2F2

b)

Ca3F

c)

CaF2

d)

Ca2F

25.

Al3+ and P3- create...

a)

Al3P

b)

AlP3

c)

AlP

d)

Al2P

26.

Ba2+ and Cl- create...

a)

Ba2Cl

b)

BaCl2

c)

Ba2Cl2

d)

BaCl

27.

Sr2+ and I- create...

a)

Sr2I

b)

SrI2

c)

Sr2I2

d)

SrI

28.

H+ and N3- create...

a)

H3N

b)

HN2

c)

H2N2

d)

HN

29.

Ba2+ and P3- create...

a)

Ba2P3

b)

Ba3P2

c)

BaP3

d)

Ba2P

30.

Lithium and Fluorine create...

a)

LiF

b)

LiF2

c)

Li2F

d)

Li2F2

31.

Potassium and Sulfur create...

a)

KS

b)

KS2

c)

K2S

d)

K2S2

32.

What is the correct formula for Sodium Oxide?

a)

Na2O

b)

NaO

c)

O2Na

d)

Na2O2

33.

What is the correct formula for Lithium oxide?

a)

LiO

b)

OLi2

c)

Li2O

d)

Li2O3

34.

What is the correct formula for Calcium Chloride?

a)

CaCl

b)

ClCa

c)

Ca2Cl2

d)

CaCl2

35.

Is KCl correct?

a)

Yes

b)

No

36.

Is NaLi correct?

a)

Yes

b)

No

37.

Is Cu2Cl correct?

a)

Yes

b)

No

38.

Whats wrong with OCa?

a)

Its unbalanced

b)

Its the wrong way around

c)

There is too many metals

d)

There is no metals

39.

Whats wrong with Fe(II)2O?

a)

Its unbalanced

b)

Its the wrong way around

c)

There is too many metals

d)

There is no metals

40.

Whats wrong with AgNa?

a)

Its unbalanced

b)

Its the wrong way around

c)

There is too many metals

d)

There is no metals

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